#nodejs

Hackers have been busy again this week. From fake voice calls and AI-powered malware to huge money-laundering busts and new scams, there’s a lot happening in the cyber world. Criminals are getting creative — using smart tricks to steal data, sound real, and hide in plain sight. But they’re not the only ones moving fast. Governments and security teams are fighting back, shutting down fake

## Summary - Vulnerable component: `multi-session` plugin’s `/sign-out` after-hook (`packages/better-auth/src/plugins/multi-session/index.ts`) - Issue: Hook trusts raw multi-session cookies and forwards unsanitized tokens to `internalAdapter.deleteSessions`, allowing forged cookies to revoke arbitrary sessions. - Status: Reproduced locally with updated proof-of-concept. ## Impact Any authenticated attacker who can obtain the plain session token of another user (via log leaks, backups, etc.) can forge a multi-session cookie and trigger `/sign-out`. The hook extracts the attacker-supplied token and deletes the victim’s session, causing cross-account logout. No signing secret is required. ## Product / Version - Repository: `better-auth` - Branch: `canary` - Affected file: `packages/better-auth/src/plugins/multi-session/index.ts` (current head) - Dependency configuration: `pnpm install`, Bun runtime (`bun v1.3.0`) ## Steps to Reproduce 1. Clone the repository and install dependencies wi...

willitmerge describes itself as a command line tool to check if pull requests are mergeable. There is a Command Injection vulnerability in version `willitmerge@0.2.1`. Resources: * Project's GitHub source code: https://github.com/shama/willitmerge/ * Project's npm package: https://www.npmjs.com/package/willitmerge ## Background on exploitation Reporting a Command Injection vulnerability in `willitmerge` npm package. A security vulnerability manifests in this package due to the use of insecure child process execution API (`exec`) to which it concateanes user input, whether provided to the command-line flag, or is in user control in the target repository. ## Exploit ### POC 1 1. Install `willitmerge` 2. Run it with the following command ```sh willitmerge --verbose --remote "https://github.com/lirantal/npq.git; touch /tmp/hel" ``` 3. Confirm the file `/tmp/hel` is created on disk ### GitHub-sourced attack vector [Lines 189-197](https://github.com/shama/willitmerge/blob/2fe9...

### Summary An Uncontrolled Recursion (CWE-674) vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft deep ASN.1 structures that trigger unbounded recursive parsing. This leads to a Denial-of-Service (DoS) via stack exhaustion when parsing untrusted DER inputs. ### Details An ASN.1 Denial of Service (Dos) vulnerability exists in the node-forge `asn1.fromDer` function within `forge/lib/asn1.js`. The ASN.1 DER parser implementation (`_fromDer`) recurses for every constructed ASN.1 value (SEQUENCE, SET, etc.) and lacks a guard limiting recursion depth. An attacker can craft a small DER blob containing a very large nesting depth of constructed TLVs which causes the Node.js V8 engine to exhaust its call stack and throw `RangeError: Maximum call stack size exceeded`, crashing or incapacitating the process handling the parse. This is a remote, low-cost Denial-of-Service against applications that parse untrusted ASN.1 objects. ### Impact T...

### Summary CVE-2025-12816 has been reserved by CERT/CC **Description** An Interpretation Conflict (CWE-436) vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft ASN.1 structures to desynchronize schema validations, yielding a semantic divergence that may bypass downstream cryptographic verifications and security decisions. ### Details A critical ASN.1 validation bypass vulnerability exists in the node-forge asn1.validate function within `forge/lib/asn1.js`. ASN.1 is a schema language that defines data structures, like the typed record schemas used in X.509, PKCS#7, PKCS#12, etc. DER (Distinguished Encoding Rules), a strict binary encoding of ASN.1, is what cryptographic code expects when verifying signatures, and the exact bytes and structure must match the schema used to compute and verify the signature. After deserializing DER, Forge uses static ASN.1 validation schemas to locate the signed data or public key, compute digests o...

### Summary A low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface. ### PoC A low-permission user sends a crafted API request to the user-creation endpoint and the system creates the account successfully.  ### Impact This allows attackers to create unauthorized accounts.

The second wave of the Shai-Hulud supply chain attack has spilled over to the Maven ecosystem after compromising more than 830 packages in the npm registry. The Socket Research Team said it identified a Maven Central package named org.mvnpm:posthog-node:4.18.1 that embeds the same two components associated with Sha1-Hulud: the "setup_bun.js" loader and the main payload "bun_environment.js." "

This holiday season, as teams run lean and cyber threats rise, being open with what — and how — you share can protect both information and relationships.

If you're using community tools like Chocolatey or Winget to keep systems updated, you're not alone. These platforms are fast, flexible, and easy to work with—making them favorites for IT teams. But there’s a catch... The very tools that make your job easier might also be the reason your systems are at risk. These tools are run by the community. That means anyone can add or update packages. Some

# Summary Affected versions of the better-auth passkey plugin allow users with any valid session to delete arbitrary passkeys via their ID using `POST /passkey/delete-passkey`. # Details `ctx.body.id` is implicitly trusted and used in passkey deletion queries. better-auth applications configured with `useNumberId` may use auto incrementing IDs which makes it trivial to delete all passkeys via enumeration.